CN221018994U - Hobbing multi-workpiece tensioning type hydraulic tensioning tool - Google Patents
Hobbing multi-workpiece tensioning type hydraulic tensioning tool Download PDFInfo
- Publication number
- CN221018994U CN221018994U CN202323021570.2U CN202323021570U CN221018994U CN 221018994 U CN221018994 U CN 221018994U CN 202323021570 U CN202323021570 U CN 202323021570U CN 221018994 U CN221018994 U CN 221018994U
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- Prior art keywords
- hobbing
- tensioning
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- base
- gear
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- 239000003921 oil Substances 0.000 claims abstract description 54
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a gear hobbing multi-workpiece tensioning hydraulic tensioning tool which comprises a base, wherein a piston groove is formed in the inner side of the base, an oil way receiving disc is arranged in the inner side of the piston groove, an oil way is formed in the inner side of the oil way receiving disc, a hydraulic oil passage is formed in the inner side of the base, a piston rod is slidably arranged in the inner side of the piston groove, the piston groove comprises an oil cavity and a sliding groove, the oil cavity is arranged at the bottom of the sliding groove, a piston part of the piston rod is arranged in the oil cavity, a rod body part of the piston rod is arranged in the inner side of the sliding groove, the oil way arranged in the inner side of the oil way receiving disc comprises an oil way A and an oil way B, and the oil way A is communicated with the bottom of the oil cavity.
Description
Technical Field
The utility model relates to the technical field of gear hobbing machines, in particular to a multi-workpiece tensioning hydraulic tensioning tool for hobbing.
Background
When the gear hobbing machine is used for hobbing, workpieces are required to be fixed and clamped, most of clamps assembled on the traditional gear hobbing machine are manually pressed and positioned by a rigid mandrel, the problems of inaccurate positioning, errors caused by gaps and complicated loading and unloading operations exist, and if the machined workpieces are elliptical, the tool clamps are required to be replaced to adapt to the shapes of the workpieces, and the clamps and the fixing devices assembled on the traditional gear hobbing machine can only clamp and hobbing single materials at a time, so that the efficiency is low.
Therefore, the device which is higher in automatic centering precision and capable of clamping two workpieces simultaneously and is simple to operate and capable of improving working efficiency is designed, and the problem to be solved by the inventor is solved.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the hobbing multi-workpiece tensioning hydraulic tensioning tool, which can realize the functions of realizing higher automatic centering precision, clamping two workpieces simultaneously, and improving the working efficiency, and is simple to operate.
The technical scheme adopted by the device is as follows: the utility model provides a many work pieces of gear hobbing tight formula hydraulic pressure tensioning frock that rises, it includes the base, the piston groove has been seted up to the inboard of base, the piston groove inboard is provided with the oil circuit flange, the oil circuit has been seted up to the oil circuit flange inboard, the hydraulic oil passageway has been seted up to the inboard of base, the inboard slip of piston groove is provided with the piston rod, the upper end of piston rod passes the base and is connected with the pull rod, the top of base and the outside of pull rod are provided with the body, the body is connected with the base through the bolt, the outside of body is provided with the positioning disk through bolted connection, be provided with step structure and step structure's inboard on the periphery of body and be provided with the spring, step structure's top and the outside of body are provided with the top cover, the top of top cover and the outside of body are provided with the spring cover that rises, the outside of pull rod is provided with the taper sleeve through bolted connection, the upper end of taper sleeve is provided with the ring structure, the lower extreme of flange structure is provided with the packing ring, the packing ring sets up between spring cover and ring that rises, the top is provided with the gland through the connection.
Further, the piston groove comprises an oil cavity and a sliding groove, and the oil cavity is arranged at the bottom of the sliding groove.
Further, an oil way A and an oil way B are arranged on the inner side of the oil way connecting disc, the oil way A is communicated with the bottom of the oil cavity, and the oil way B is communicated with the top of the oil cavity through a hydraulic oil passage.
Further, the upper pull rod is connected with an upper center of an external device through a joint and can move up and down along with the external device.
Further, an upper gear and a lower gear which are stacked together are arranged on the outer side of the spring expansion sleeve and between the gland and the positioning disc, the upper gear and the lower gear are tightly attached, and the sizes and the specifications of the upper gear and the lower gear are the same.
Further, the top cover is in sliding fit with the body and the bottom is in contact with the spring.
Further, a lower inclined guide surface is arranged on the outer side of the upper end of the body, a vertical guide surface is connected to the upper end of the inclined guide surface, and an upper inclined guide surface is arranged on the outer side of the lower end of the taper sleeve.
Further, the upper inclined guide surface and the lower inclined guide surface are attached to the inner side wall of the spring expansion sleeve and have the same inclination.
Further, a positioning hole is formed in the spring expansion sleeve, and a positioning block matched with the positioning hole is arranged on the circumferential surface of the upper portion.
Further, the inner side of the taper sleeve is connected with a locating pin, and the lower end of the locating pin penetrates through the taper sleeve.
Further, the end of the locating pin is arranged on the inner side of the upper end of the body, and a pin groove matched with the locating pin is formed in the upper end of the body.
Further, the middle part of the inner side wall of the spring expansion sleeve is an inner vertical annular surface, the upper end and the lower end of the inner vertical annular surface are respectively provided with an inner inclined surface, the middle part of the outer side wall of the spring expansion sleeve is an outer vertical annular surface, and the upper end and the lower end of the outer vertical annular surface are respectively connected with a vertical contact surface through an arc transition structure.
The device has the beneficial effects that:
1. According to the utility model, by adopting the action coordination among the spring expansion sleeve, the taper sleeve, the spring and the pull rod, two workpieces are assembled on the device at the same time for tensioning and fixing, gaps which are inevitably present in rigid positioning are filled through the spring expansion sleeve in a tensioning and tensioning fixing mode, errors caused by rigid positioning are reduced, automatic centering accuracy is higher, two workpieces are clamped at the same time, and the operation is simple, and the work efficiency is improved.
Drawings
Fig. 1 is a structural view of the present utility model.
Reference numerals illustrate: 1-a base; 2-an oil way connection disc; 3-a piston rod; 4-positioning plate; 5-a body; 6-a spring; 7-jacking sleeve; 8-spring expansion sleeve; 9-a gasket; 10-taper sleeve; 11-a pull rod; 12-capping; 13-an upper pull rod; 14-upper gear; 15-lower gear.
Detailed Description
The apparatus of the present utility model is further illustrated below in conjunction with specific examples, which are provided to illustrate the utility model and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the apparatus of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Referring to fig. 1, which is a structural view of the utility model, a hobbing multi-workpiece tensioning hydraulic tensioning tool comprises a base 1, wherein a piston groove is formed in the inner side of the base 1, an oil way connection disc 2 is arranged in the inner side of the piston groove, an oil way is formed in the inner side of the oil way connection disc 2, a hydraulic oil way is formed in the inner side of the base 1, a piston rod 3 is slidably arranged in the inner side of the piston groove, the piston groove comprises an oil cavity and a sliding groove, the oil cavity is arranged at the bottom of the sliding groove, a piston part of the piston rod 3 is arranged in the oil cavity, a rod body part of the piston rod 3 is arranged in the inner side of the sliding groove, the oil way arranged in the inner side of the oil way connection disc 2 comprises an oil way A and an oil way B, the oil way A is communicated with the bottom of the oil cavity, the oil way B is communicated with the top of the oil cavity through the oil way, the oil way A is filled with hydraulic oil for pressurization, the piston rod 3 is upward when the oil way B is decompressed, the oil way B is filled with hydraulic oil for pressurization, and the piston rod 3 downward when the oil way A is decompressed.
The upper end of the piston rod 3 passes through the base 1 and is connected with a pull rod 11, a body 5 is arranged above the base 1 and outside the pull rod 11, the body 5 is connected with the base 1 through a bolt, a positioning disc 4 is connected on the outer side of the body 5 through a bolt, a step structure is arranged on the circumferential surface of the body 5, a spring 6 is arranged on the inner side of the step structure, a top sleeve 7 is arranged above the step structure and outside the body 5, a spring expansion sleeve 8 is arranged above the top sleeve 7 and outside the body 5, the top sleeve 7 is in sliding fit with the body 5 and the bottom is contacted with the spring 6, the top sleeve 7 is subjected to extrusion force from top to bottom, the spring 6 is compressed to deform and obtain buffering, a taper sleeve 10 is connected on the outer side of the pull rod 11 through a bolt, a flange disc structure is arranged at the upper end of the taper sleeve 10, a gasket 9 is arranged at the lower end of the flange disc structure, the gasket 9 is arranged between the spring expansion sleeve 8 and the flange disc, the upper part of the pull rod 11 is provided with a gland 12, the gland 12 is connected with an upper pull rod 13 through a bolt, the upper pull rod 13 is connected with an upper center of an external device through a joint, the upper pull rod can move up and down along with the external device, the outer side of the upper end of the body 5 is provided with a lower inclined guide surface, the upper end of the inclined guide surface is connected with a vertical guide surface, the outer side of the lower end of the taper sleeve 10 is provided with an upper inclined guide surface, the middle part of the inner side wall of the spring expansion sleeve 8 is an inner vertical annular surface, the upper end and the lower end of the inner vertical annular surface are both provided with inner inclined surfaces, the middle part of the outer side wall of the spring expansion sleeve 8 is an outer vertical annular surface, the upper inclined guide surface and the lower inclined guide surface are both connected with vertical contact surfaces through arc transition structures, the upper inclined guide surface and the lower inclined guide surface are attached to the inner side wall of the spring expansion sleeve 8 and have the same inclination, the pull force generated by the action of the pull rod 11 through an oil cylinder can drive the taper sleeve 10 to move downwards, so that the inner inclined surface of the spring expansion sleeve 8 is extruded by the upper inclined guide surface arranged on the taper sleeve 10 to expand outwards, and the spring expansion sleeve 8 is forced to extrude the lower inclined guide surface on the main body in the process, and the lower part of the spring expansion sleeve is also expanded outwards by the reaction force.
The outer side of the spring expansion sleeve 8, and the upper gear 14 and the lower gear 15 which are stacked together are arranged between the gland 12 and the positioning disk 4, the upper gear 14 and the lower gear 15 are tightly attached, the sizes and the specifications of the upper gear 14 and the lower gear 15 are the same, the spring expansion sleeve 8 is subjected to compression deformation and outward expansion deformation, and the inner ring parts of the upper gear 14 and the lower gear 15 can be directly and outwards tensioned and fastened.
The spring expansion sleeve 8 is provided with a positioning hole, the circumference surface of the upper part of the spring expansion sleeve 8 is provided with a positioning block matched with the positioning hole, and the spring expansion sleeve 8 can be assembled rapidly through the matching of the positioning hole and the positioning block.
The taper sleeve 10 is connected with the locating pin in the inboard, and the lower extreme of locating pin passes taper sleeve 10, and the tip setting of locating pin is inboard in the upper end of body 5, and the upper end of body 5 has seted up the cotter way with locating pin assorted, and when pull rod 11 drove taper sleeve 10 and descends, the cooperation of locating pin and cotter way can effectually avoid the motion trail deviation.
The working principle of the utility model is as follows: the hydraulic system is operated to control an oil way, so that an oil way A is used for pressurizing an oil cavity, a pull rod 11 is pushed to move upwards, the pressing and locking of a spring expansion sleeve 8 are released, an upper gear 14 and a lower gear 15 are stacked and sleeved outside the spring expansion sleeve 8, an inner gear ring of the upper gear 14 and an inner gear ring of the lower gear 15 are contacted with a vertical contact surface of the spring expansion sleeve 8, after the gears are installed, the hydraulic system is operated, an oil way B is used for pressurizing an oil cavity, hydraulic oil is pressurized from the upper side of a piston, so that the piston moves downwards, at the moment, the oil way A is used for releasing pressure, a descending piston rod 3 drives a taper sleeve 10 to press down, the upper gear 14 and the lower gear 15 are pressed tightly from the inner gear ring through the pressing spring expansion sleeve 8, an upper center is operated to drive a pressing cover 12 to press down, and the lower gear 15 and the upper gear 14 are pressed on the end surface of a positioning disc 4 from the end surface of the gears, and the pressing and tightening operation of two gears is completed at one time.
According to the utility model, through the action coordination among the spring expansion sleeve 8, the taper sleeve 10, the spring 6 and the pull rod 11, two workpieces are assembled on the device at the same time for tensioning and fixing, gaps which are inevitably present in rigid positioning are filled through the spring expansion sleeve 8 in a tensioning and fixing mode, errors caused by rigid positioning are reduced, automatic centering accuracy is higher, two workpieces are clamped at the same time, and the operation is simple, and the work efficiency is improved.
Claims (8)
1. The utility model provides a many work pieces of gear hobbing tight formula hydraulic pressure tensioning frock that rises which characterized in that: including base (1), the piston groove has been seted up to the inboard of base (1), the piston groove inboard is provided with oil circuit flange (2), the oil circuit has been seted up to oil circuit flange (2) inboard, hydraulic oil passageway has been seted up to the inboard of base (1), the inboard slip of piston groove is provided with piston rod (3), the upper end of piston rod (3) passes base (1) and is connected with pull rod (11), the outside of the top of base (1) and pull rod (11) is provided with body (5), body (5) are connected with base (1) through the bolt, the outside of body (5) is provided with positioning disk (4) through bolted connection, be provided with step structure and step structure's inboard on the periphery of body (5) and be provided with spring (6), the outside of step structure's top and body (5) is provided with top cover (7), the outside of top and body (5) of top cover (7) is provided with spring cover (8), the outside of pull rod (11) is provided with taper connection cover (10), the outside of ring (10) is provided with flange (8) and is provided with ring (9) on the periphery of flange (9), the gland (12) is connected with an upper pull rod (13) through a bolt.
2. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 1, wherein: the upper pull rod (13) is connected with an upper center of an external device through a joint.
3. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 1, wherein: an upper gear (14) and a lower gear (15) which are stacked together are arranged on the outer side of the spring expansion sleeve (8) and between the gland (12) and the positioning disc (4), and the upper gear (14) and the lower gear (15) are tightly attached.
4. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 1, wherein: the outer side of the upper end of the body (5) is provided with a lower inclined guide surface, the upper end of the inclined guide surface is connected with a vertical guide surface, and the outer side of the lower end of the taper sleeve (10) is provided with an upper inclined guide surface.
5. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 4, wherein: the upper inclined guide surface and the lower inclined guide surface are attached to the inner side wall of the spring expansion sleeve (8) and have the same inclination.
6. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 1, wherein: the inner side of the taper sleeve (10) is connected with a positioning pin, and the lower end of the positioning pin penetrates through the taper sleeve (10).
7. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 6, wherein: the end of the locating pin is arranged on the inner side of the upper end of the body (5), and a pin groove matched with the locating pin is formed in the upper end of the body (5).
8. The hobbing multi-workpiece tensioning hydraulic tensioning tool according to claim 1, wherein: the middle part of the inner side wall of the spring expansion sleeve (8) is an inner vertical annular surface, the upper end and the lower end of the inner vertical annular surface are respectively provided with an inner inclined surface, the middle part of the outer side wall of the spring expansion sleeve (8) is an outer vertical annular surface, and the upper end and the lower end of the outer vertical annular surface are respectively connected with a vertical contact surface through an arc transition structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323021570.2U CN221018994U (en) | 2023-11-09 | 2023-11-09 | Hobbing multi-workpiece tensioning type hydraulic tensioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323021570.2U CN221018994U (en) | 2023-11-09 | 2023-11-09 | Hobbing multi-workpiece tensioning type hydraulic tensioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221018994U true CN221018994U (en) | 2024-05-28 |
Family
ID=91130882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323021570.2U Active CN221018994U (en) | 2023-11-09 | 2023-11-09 | Hobbing multi-workpiece tensioning type hydraulic tensioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221018994U (en) |
-
2023
- 2023-11-09 CN CN202323021570.2U patent/CN221018994U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |